/*
 * Copyright [2021-present] [ahoo wang <ahoowang@qq.com> (https://github.com/Ahoo-Wang)].
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *      http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package me.ahoo.cosec.webflux

import com.google.common.net.HttpHeaders.X_FORWARDED_FOR
import io.mockk.every
import io.mockk.mockk
import org.hamcrest.MatcherAssert.assertThat
import org.hamcrest.Matchers.equalTo
import org.junit.jupiter.api.Test
import org.springframework.web.server.ServerWebExchange

class ReactiveXForwardedRemoteIpResolverTest {

    @Test
    fun extractXForwardedHeaderValues() {
        val xForwardedRemoteIpResolver = ReactiveXForwardedRemoteIpResolver()
        assertThat(xForwardedRemoteIpResolver.maxTrustedIndex, equalTo(Int.MAX_VALUE))
        val serverWebExchange = mockk<ServerWebExchange> {
            every { request.headers.get(X_FORWARDED_FOR) } returns listOf("localhost")
        }
        val remoteIp = xForwardedRemoteIpResolver.extractXForwardedHeaderValues(serverWebExchange)
        assertThat(remoteIp, equalTo(listOf("localhost")))
    }
}
